Home / 18,848.30-28,235.39-9,477

Finding the Fourth Proportional to 18,848.30, 28,235.39 and 9,477

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Solution

The fourth proportional to 18,848.30, 28,235.39 and 9,477 is: 14,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.30 : 28,235.39 = 9,477 : x
  2. Step 2: Convert to fraction form
    18,848.30/28,235.39 = 9,477/x
  3. Step 3: Cross multiply
    18,848.30x = 28,235.39 × 9,477
  4. Step 4: Simplify right side
    18,848.30x = 267,586,743.65
  5. Step 5: Solve for x
    x = 267,586,743.65/18,848.30
  6. Step 6: Final answer
    x = 14,196.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.